[libgda] GdaDataModelArray: using GPtrArray instead of GArray

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit df55ce6ebb06b6e343e4154c1151dd24cd02d845
Author: Daniel Espinosa Ortiz <esodan gmail com>
Date:   Sun Feb 10 22:44:14 2019 -0600

    GdaDataModelArray: using GPtrArray instead of GArray
    
    GPtrArray is for pointers and better suitable for
    GObject arrays

 libgda/gda-data-model-array.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)
---
diff --git a/libgda/gda-data-model-array.c b/libgda/gda-data-model-array.c
index c1616f7dd..35800bbaa 100644
--- a/libgda/gda-data-model-array.c
+++ b/libgda/gda-data-model-array.c
@@ -48,7 +48,7 @@ typedef struct  {
        gint           number_of_columns;
 
        /* the array of rows, each item is a GdaRow */
-       GArray        *rows;
+       GPtrArray        *rows;
 } GdaDataModelArrayPrivate;
 #define gda_data_model_array_get_instance_private(obj) G_TYPE_INSTANCE_GET_PRIVATE(obj, 
GDA_TYPE_DATA_MODEL_ARRAY, GdaDataModelArrayPrivate)
 
@@ -192,7 +192,7 @@ gda_data_model_array_init (GdaDataModelArray *model)
        priv->column_spec = g_hash_table_new_full (g_int_hash, g_int_equal, g_free, NULL);
        priv->read_only = FALSE;
        priv->number_of_columns = 0;
-       priv->rows = g_array_new (FALSE, FALSE, sizeof (GdaRow *));
+       priv->rows = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
 }
 
 static void column_g_type_changed_cb (GdaColumn *column, GType old, GType new, GdaDataModelArray *model);
@@ -216,7 +216,7 @@ gda_data_model_array_finalize (GObject *object)
        /* free memory */
        gda_data_model_freeze (GDA_DATA_MODEL(model));
        gda_data_model_array_clear (model);
-       g_array_free (priv->rows, TRUE);
+       g_ptr_array_free (priv->rows, TRUE);
        g_hash_table_foreach (priv->column_spec, (GHFunc) hash_free_column, model);
         g_hash_table_destroy (priv->column_spec);
         priv->column_spec = NULL;
@@ -511,7 +511,7 @@ gda_data_model_array_get_row (GdaDataModelArray *model, gint row, GError **error
                return NULL;
        }
 
-       return g_array_index (priv->rows, GdaRow*, row);
+       return g_ptr_array_index (priv->rows, row);
 }
 
 /**
@@ -675,7 +675,7 @@ gda_data_model_array_get_value_at (GdaDataModel *model, gint col, gint row, GErr
                return NULL;
        }
 
-       fields = g_array_index (priv->rows, GdaRow*, row);
+       fields = g_ptr_array_index (priv->rows, row);
        if (fields) {
                GValue *field;
 
@@ -852,7 +852,7 @@ gda_data_model_array_append_values (GdaDataModel *model, const GList *values, GE
                        gda_value_set_null (dest);
        }
 
-       g_array_append_val (priv->rows, row);
+       g_ptr_array_insert (priv->rows, -1, row);
        gda_data_model_row_inserted (model, priv->rows->len - 1);
        return priv->rows->len - 1;
 }
@@ -871,7 +871,7 @@ gda_data_model_array_append_row (GdaDataModel *model, GError **error)
         }
 
        row = gda_row_new (priv->number_of_columns);
-       g_array_append_val (priv->rows, row);
+       g_ptr_array_insert (priv->rows, -1, row);
        gda_data_model_row_inserted (model, priv->rows->len - 1);
        return priv->rows->len - 1;
 }
@@ -883,11 +883,10 @@ gda_data_model_array_remove_row (GdaDataModel *model, gint row, GError **error)
        GdaDataModelArray *amodel = (GdaDataModelArray *) model;
        GdaDataModelArrayPrivate *priv = gda_data_model_array_get_instance_private (amodel);
 
-       gdarow = g_array_index (priv->rows, GdaRow*, row);
+       gdarow = g_ptr_array_index (priv->rows, row);
        if (gdarow) {
-               priv->rows = g_array_remove_index (priv->rows, row);
+               g_ptr_array_remove_index (priv->rows, row);
                gda_data_model_row_removed ((GdaDataModel *) model, row);
-               g_object_unref (gdarow);
                return TRUE;
        }